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1407 results about "Completion time" patented technology

Time to completion (TTC) is a calculated amount of time required for any particular task to be completed. Completion is defined by the span from "conceptualization to fruition (delivery)", and is not iterative.

Multi-task collaborative robot scheduling method and system for intelligent factory

The invention discloses a multi-task collaborative robot scheduling method and system oriented to an intelligent factory, and the method comprises the steps: receiving the input data of a plurality of tasks to be executed by the intelligent factory, the input data comprising the task type, the dependency relationship between the tasks, the task priority, the resource demand of each task, and the expected completion time of each task; determining an initial task execution sequence of the tasks according to the task types, the dependency relationships and the task priorities; obtaining current resource state data of all available robots in the intelligent factory; according to the resource demand of each task, the expected completion time of each task, the initial task execution sequence and the current resource state data of all available robots, a scheduling algorithm is adopted to generate a multi-task cooperative scheduling rule; and controlling the plurality of target robots to execute the plurality of tasks according to the multi-task cooperative scheduling rule. According to the method, the resource utilization rate of the robot in the intelligent factory can be effectively improved, and the task execution efficiency is optimized.
Owner:BEIJING KUANDONGFANG TECHNOLOGY GROUP CO LTD

Crowdsourcing task allocation method for complex task multi-person cooperation

The invention relates to the technical field of crowdsourcing task allocation for multi-person cooperation of complex tasks, and discloses a crowdsourcing task allocation method for multi-person cooperation of complex tasks, which comprises the following steps: acquiring all persons in a talent pool and marking and numbering the persons in sequence, thereby facilitating subsequent management and information retrieval, acquiring a skill label of each person, and improving the efficiency of crowdsourcing task allocation. Multiple skills are considered, so that task allocation is more accurate, through skill label classification, the system can quickly match task requirements and personnel skills, obtain a historical task list to provide reference for task disassembly and estimation, and decompose tasks into small sub-tasks, and the system can accurately estimate task load and personnel allocation. According to the method, archives of the split tasks are recorded to provide data reference for follow-up, the average workload and the completion time of the historical tasks provide a basis for task allocation, uncertainty is reduced through data-driven estimation, and it is ensured that task load estimation is flexible and accurate through a similarity evaluation mechanism, so that the overall task execution quality and efficiency are improved.
Owner:上海深蔚科技有限公司

Shop scheduling method and system for large-sized complex product, and device and medium

The present invention relates to the technical field of job shop scheduling, and particularly relates to a shop scheduling method and system for a large-sized complex product, and a device and a medium. The method comprises: firstly, determining a scheduling decision problem of assemble, adjusting and debugging shops of a large-sized complex product, and a precondition hypothesis, so as to obtain a maximum workpiece completion time; then, taking the maximum workpiece completion time of the large-sized complex product being as small as possible as an optimization objective, and establishing an assemble, adjusting and debugging shop scheduling optimization model of the large-sized complex product; and finally, using a multi-objective genetic algorithm to perform optimization solving, so as to obtain a target scheduling decision and a target completion time of the assemble, adjusting and debugging shops of the large-sized complex product. Therefore, an assemble, adjusting and debugging process highly matching an actual production process is ensured, and the precision and convergence speed of model solving are improved.
Owner:CHENGDU AIRCRAFT INDUSTRY GROUP

Construction progress analysis and regulation system based on BIM model

The invention relates to the technical field of construction progress management, in particular to a BIM (Building Information Modeling)-based construction progress analysis and regulation and control system, which comprises a component sequence identification module, a component time acquisition module, a sequence deviation identification module, a node offset analysis module and a plan time regulation and control module. According to the method, the three-dimensional coordinates of the BIM components are extracted to establish a spatial sorting relation, a priority system with spatial constraints is constructed, the sequence recognition precision is improved, time mapping is formed by combining state data and completion time, ordered association from the site progress to the model components is achieved, the completion time of the previous components is compared to recognize abnormal procedures, and quantitative records are formed. The actual offset and the planned floating time are fused to judge the offset type, the influence weight of the component in the progress network is quantified in combination with the offset direction and the sequence offset number, a comprehensive evaluation index is formed, the construction progress management has a clear logic structure, and the construction progress regulation and control precision and response efficiency are improved.
Owner:MIDDLE EAST INFRASTRUCTURE TECH GRP CO LTD

Multi-agent collaboration method based on large language model

The invention discloses a multi-agent cooperation method based on a large language model, and relates to the field of agent cooperation control, and the method comprises the steps: constructing a multi-agent system; establishing a multi-agent coordination resource allocation model; a task allocation problem in the resource allocation model is converted into a multi-objective optimization problem, and optimization objectives comprise the minimum task completion time and the optimal resource utilization rate; and solving a multi-objective optimization problem by using an improved particle swarm optimization (PSO) to obtain an optimal cooperation scheme among the master control agent, the task creation agent, the intention arrangement agent and the at least one professional agent. The improved particle swarm optimization (PSO) evaluates the uncertainty of each candidate solution through multiple times of random sampling, and when the uncertainty exceeds a threshold value, cross validation is performed through a multi-agent voting mechanism. For uncertainty accumulation of a multi-agent system under a complex cognitive task, the efficiency and stability of collaborative decision and task scheduling of the multi-agent system are improved.
Owner:北京长河数智科技有限责任公司 +1

AGV scheduling system optimization method based on dynamic priority adjustment and real-time load balance

The invention discloses an AGV scheduling system optimization method based on dynamic priority adjustment and real-time load balance, and the method comprises the steps: dynamically monitoring the emergency degree and arrival time of cargos, enabling a system to adjust the task priority in real time, guaranteeing the priority processing of emergency cargos, and giving consideration to the scheduling efficiency of common cargos; information such as current positions, loads and electric quantity of the AGVs is collected, weighted load values are calculated, weight factors are dynamically adjusted according to task types, load balance is achieved, and the situation that part of the AGVs are overloaded and part of the AGVs are insufficient in load is avoided; and finally, scheduling optimization is carried out by comprehensively considering factors such as the adaptation degree between the task and the AGV, the path distance, the predicted completion time and the load balance, and the overall performance of the AGV system is fully exerted. The flexibility, efficiency and resource utilization rate of the AGV scheduling system are effectively improved, and the AGV scheduling system is suitable for various scenes such as logistics storage and production and manufacturing.
Owner:ANHUI UNIV

Intelligent job shop scheduling method

The invention discloses an intelligent job shop scheduling method. The method comprises the following steps: S1, establishing a personalized improved NSGA-II algorithm module and a DQN-based adaptive decision algorithm module; s2, establishing a mathematical model taking the maximum completion time, the total load of equipment and the total energy consumption of a workshop as optimization targets; s3, in a personalized improved NSGA-II algorithm module, considering a workshop optimization target, adopting multiple strategies for initialization, and adding a user personalized demand to screen a target population; s4, in a DQN-based adaptive decision algorithm module, population features are extracted to construct an agent state space, and a deep Q network experience playback mechanism is utilized to train the relationship between agent capture scheduling information and a scheduling target to perform adaptive action decision; and S5, returning the optimal action predicted by the DQN model to the NSGA-II, adjusting the optimal parameter proportion according to the real-time state, and improving the multi-target solution quality.
Owner:HEBEI UNIV OF TECH

Engineering truck intelligent scheduling method based on artificial intelligence

The invention discloses an intelligent engineering vehicle scheduling method based on artificial intelligence, and the method comprises the steps: constructing a scheduling objective function which at least comprises the engineering vehicle transportation cost, the task completion time cost, the path congestion cost and the energy consumption cost; establishing a multi-dimensional task demand prediction model based on historical task data and real-time traffic data, and outputting a task distribution prediction value and a traffic state prediction value in a future time period; inputting the model into an engineering vehicle dynamic scheduling model established based on a deep reinforcement learning algorithm for iterative optimization; and generating a real-time scheduling instruction based on the optimized dynamic scheduling model, dynamically allocating task paths and resources of the engineering vehicle, and monitoring an execution state in real time to adjust a scheduling strategy. According to the method, efficient, economical and environment-friendly intelligent scheduling of the engineering vehicle is realized through construction of a scheduling objective function, multi-dimensional demand prediction, deep reinforcement learning dynamic optimization and real-time scheduling and monitoring.
Owner:FEIYIN SOFTWARE (NANJING) CO LTD

Discrete MES-oriented intelligent production scheduling system, method, equipment and medium

The invention provides a discrete MES-oriented intelligent production scheduling system, method and equipment and a medium, and belongs to the technical field of discrete manufacturing industry production scheduling. Data is acquired through a sensor and serves as production scheduling data; establishing a material inventory data association order ID and establishing an index; determining a process sequence constraint, a calculation equipment productivity constraint, a material supply constraint and an order priority constraint; initializing a population based on a genetic algorithm, randomly generating N groups of process sorting schemes, calculating a utilization rate index, and taking a comprehensive score as a fitness value; outputting a better solution set; the optimal solution of the genetic algorithm is used as initial pheromone distribution, high-quality path pheromones are enhanced according to the actual production effect of the completion scheme, and if the preset number of iterations is reached, the operation is stopped, and an optimized production scheduling scheme is output; and checking the production scheduling plan through a graphical interface. Through continuous optimization of the procedure sorting scheme, the equipment utilization rate is effectively improved, the total order completion time is shortened, the production resource configuration is optimized, and the production efficiency is improved.
Owner:浪潮工业互联网股份有限公司

Resource scheduling control method and system for big data server

The invention provides a resource scheduling control method and system for a big data server, and the method comprises the steps: constructing a multi-dimensional resource portrait module, collecting the CPU, memory, network, storage I / O load and task queue length of each node in real time, and predicting a resource demand trend through a time sequence algorithm; extracting characteristics such as calculation intensity, data dependence, memory requirements, network transmission quantity and the like; adjusting the weight coefficients of the resource utilization rate, the task completion time and the energy consumption efficiency according to the system load and the historical effect; establishing a bipartite graph model by taking a resource trend as a node feature and a task vector as an edge feature, and calculating a matching score through graph convolution and a multi-objective optimization function; the scheduling scheme is synchronized by adopting a consistency algorithm; automatic rollback and reallocation are carried out when resources are detected to be insufficient; and optimizing a weight coefficient and a network parameter through reinforcement learning. Through the method, the system resource utilization rate can be improved, the task execution efficiency is improved, the overall scheduling effect stability is improved, and the system fault recovery time is shortened.
Owner:SHANGHAI HONGXING INFORMATION TECH CO LTD

Real-time e-government affair platform based on big data processing

The invention discloses a real-time e-government affair platform based on big data processing, relates to the technical field of e-government affair platforms, and solves the problem of relatively large time delay in a data integration process caused by inconsistent data conversion rates. Based on different capacities corresponding to different formats of data and the conversion rate of the whole data in the format unification process, the conversion rate interval of related data is confirmed, then subsequent correlation confirmation of related completion time is carried out in the confirmed conversion rate interval, and subsequent correlation confirmation of the related completion time is carried out based on a computing power distribution mode. The data in the corresponding format tends to be consistent gradually in the related completion time, so that it can be fully guaranteed that related data converted by multiple different conversion processes can complete the related conversion process in a relatively consistent time period, it is guaranteed that the fusion rate is relatively high when subsequent data is fused, and the data waiting time of the corresponding government affair platform is shortened.
Owner:SUZHOU RUIYING INTELLIGENT COMPUTING TECHNOLOGY CO LTD

Production business mode construction method based on industrial internet platform

The invention provides a production business mode construction method based on an industrial internet platform, and relates to the technical field of data processing, and the method comprises the steps: collecting multi-source data, and carrying out the preprocessing of the multi-source data; calculating the adaptation degree of the equipment and the task; dynamic influence parameters are extracted, and operation parameters in the equipment data are adjusted in combination with the adaptation result; constructing a weighted multi-objective function in combination with a completion time limit, a resource demand and a priority factor in the task data; generating a task priority sequence by solving the multi-objective function, and generating a task scheduling strategy according to the task priority sequence; in combination with the real-time state parameters in the equipment data, calculating the utilization efficiency of the equipment resources; performing priority ranking on the equipment according to the equipment resource use efficiency, and generating a resource allocation scheme through a segmented dynamic optimization algorithm; generating a production business mode according to the task scheduling strategy and the resource allocation scheme; according to the invention, the autonomy and accuracy of the production business mode are improved.
Owner:NINGBO JUXUAN INFORMATION SCI & TECH

Intelligent dispatching and path planning system and method for mine carry-scraper

The invention discloses an intelligent scheduling and path planning system and method for a mine carry-scraper, and belongs to the technical field of mining, and the system comprises an environment sensing module which is used for collecting the environment data of a mine operation area in real time, and the environment data comprise the equipment state, the road condition and the dynamic obstacle position; processing the collected data to generate environment state parameters; and the task scheduling module is used for allocating operation tasks according to the equipment state, the task target and the environment state parameters, and performing global optimization on task allocation to minimize task completion time and energy consumption. Generating a task allocation scheme based on the equipment state and the task target through a task scheduling module; the path planning module realizes optimal path planning through multi-device game optimization, and the global optimization control module coordinates the work of each module, optimizes global targets such as task completion time, energy consumption and conflicts, realizes deep fusion of scheduling and path planning, and improves the working efficiency, global optimality and robustness of mining devices.
Owner:山金重工有限公司

Intelligent factory dynamic production scheduling optimization method and system based on AI

The invention discloses an AI-based intelligent factory dynamic production scheduling optimization method and system, and belongs to the technical field of factory dynamic production scheduling, and the method comprises the following steps: obtaining and integrating the working states of various types of equipment in a factory, the stock position states of different materials, and the manual data; the production order state, the process route requirement, the plan and the completion time of each process and the delivery date requirement of the customer are determined; generating an initial production scheduling plan through an AI optimization algorithm in combination with supply chain material data, factory storage space, equipment switching cost, production rules, each order process dependency relationship and a production target; according to the method, the initial scheduling plan is generated by acquiring and integrating multiple types of production data, the dynamic events are monitored, multiple schemes are generated through evaluation, the optimal scheme is selected through economic model evaluation, and production refinement, dynamic response and benefit optimization are achieved.
Owner:SHENYANG INST OF ENG

Intelligent manufacturing management method and equipment based on digital twinning technology, and medium

The invention relates to an intelligent manufacturing management method and equipment based on a digital twinning technology, and a medium. The method comprises the following steps: constructing a collaborative model, collecting real-time data based on the collaborative model, establishing a manufacturing resource intelligent configuration simulation model, and generating an initial scheduling scheme; the initial scheme is optimized through a genetic algorithm, an executable scheduling scheme is generated, and the optimization target is to minimize the maximum completion time; applying the executable scheme to a workshop, monitoring a dynamic event and collecting data; when a dynamic event occurs, generating a rescheduling scheme based on an event-driven rescheduling strategy and Monte Carlo tree search; the rescheduling scheme is transmitted to a workshop, tasks are adjusted, and meanwhile process execution data are recorded; constructing a digital twinborn model based on recorded data, analyzing dynamic event influence, identifying key nodes in combination with a fault propagation network, and optimizing a dynamic scheduling strategy; and an optimized scheduling parameter and a model updating strategy are generated by using a digital twin simulation result, and closed-loop management and real-time response are realized.
Owner:NAT UNIV OF DEFENSE TECH +1

Computing power sharing system and method in multi-tenant environment

The invention relates to the technical field of computing power sharing, in particular to a computing power sharing system and method in a multi-tenant environment, and the system comprises a computing power monitoring module, a load analysis and prediction module, a task priority judgment module, a resource optimization configuration module and a fault management module. According to the invention, by implementing real-time resource monitoring and data analysis and accurately capturing the speed and mode of resource consumption, the resource allocation is more accurate, the waste of computing power resources is avoided, the response capability is improved, the load prediction is generated by using historical and real-time data, the computing power resources can be ensured to be fully utilized in the peak period of demand, overload is avoided, and the service life of the system is prolonged. Through intelligent analysis of the resource utilization rate and the predicted completion time and optimization of priority ranking of the tasks, the emergency tasks can be rapidly responded, implementation of a real-time computing power distribution strategy is achieved, high-efficiency computing power resource use is guaranteed, the stability and reliability of the system are improved, and the cost problem caused by fault response delay is reduced.
Owner:YUNJU DATA TECH (SHANGHAI) CO LTD

Power system human resource allocation method and system based on multi-agent cooperation

A power system human resource allocation method based on multi-agent cooperation comprises the steps that S1, a human resource task collection module is constructed, and newly-added human tasks of a power system are collected in real time; s2, quantitatively decomposing each human task into a plurality of sub-tasks, calculating the complexity of each sub-task, and constructing a human task balance optimization model; s3, constructing an intelligent agent role allocation model according to the sub-task complexity, the intelligent agent capability matrix and the real-time load of the intelligent agent; and S4, performing iterative operation through a multi-objective optimization algorithm, solving the human task balance optimization model and the agent role allocation model, allocating the subtasks to the agents to obtain a task allocation matrix and estimated completion time, and executing the subtasks by the agents according to the allocation matrix to realize allocation of the human tasks. The design not only considers the balance of resource consumption and processing time of human tasks, but also allocates based on allocation efficiency and task completion efficiency.
Owner:ECONOMIC & TECH RES INST OF HUBEI ELECTRIC POWER COMPANY SGCC

Unmanned system cluster distributed task cooperative scheduling method and system

The invention relates to an unmanned system cluster distributed task cooperative scheduling method and system. The system comprises a ground station general control scheduling module, an unmanned aerial vehicle cluster and a distributed monitoring and scheduling agent module. The method comprises the following steps: calculating the static priority of each task in a DAG task graph; tasks with high priorities are scheduled firstly; sequentially selecting a node with the minimum power consumption perception completion time EA-EFT from all the unmanned aerial vehicles, and allocating a task to the node; each monitoring scheduling node monitors the task execution progress in real time; and after the node fails, task allocation is stopped, the tasks are rescheduled according to the priorities of the tasks, the optimal allocation nodes of the tasks are recalculated based on an EA-EFT model, and a recommendation mechanism is triggered to take over the tasks of the failed nodes after each scheduling fails. The problems that an unmanned aerial vehicle cluster scheduling scheme is poor in adaptability, low in efficiency and incomplete in fault-tolerant mechanism are solved, and the scheduling efficiency, the system robustness and the energy efficiency of an unmanned aerial vehicle cluster in a complex task scene are improved.
Owner:EAST CHINA INST OF COMPUTING TECH +1

Tire vulcanization workshop intelligent flexible scheduling method and system oriented to dynamic disturbance

The invention belongs to the field of workshop dynamic scheduling, and provides a dynamic disturbance-oriented tire vulcanization workshop intelligent flexible scheduling method and system, and the method comprises the steps: building a production scheduling model with the minimization of the maximum completion time as an optimization target; obtaining an initial processing sequence and a selectable machine set of each workpiece process, and solving by taking the production scheduling model as a target function to obtain an optimal initial scheduling scheme; when a dynamic event occurs in the production process, detecting the type of the dynamic event and the occurrence time of the event, and extracting a completed process, a processing process and an unstarted process; and determining a to-be-scheduled process based on the influence of the dynamic event on the processing process and the unstarted process, retaining the process processing sequence of the optimal initial scheduling scheme, updating the optimal processing machine of the to-be-scheduled process, and generating a rescheduling scheme. The device only replaces a machine in an unprocessed process, is embedded into a cooling time buffer area between the same workpiece processes, solves the problem of insufficient cooling of the rubber material, and guarantees the quality and process stability.
Owner:QINGDAO UNIV OF SCI & TECH

Scheduling method for HCPS workshop system based on multi-agent deep reinforcement learning

The invention discloses an HCPS workshop system-oriented scheduling method based on multi-agent deep reinforcement learning, and the method comprises the steps: taking the minimization of completion time as a target, and constructing a target optimization model; independently establishing a worker efficiency fluctuation model for each worker; the method comprises the following steps: modeling an HCPS workshop system as a Markov decision process, and designing decision points; designing a state space; and designing an action space: designing a reward function based on an ARSI training mechanism. According to the method, the multi-agent deep reinforcement learning is introduced, so that the accuracy and efficiency of workshop scheduling are remarkably improved, and particularly, the production process is effectively optimized by independently modeling each worker and considering factors such as fatigue and skills of the worker.
Owner:HOHAI UNIV

Optimization method for flexible job shop scheduling problem considering adjustment time

ActiveCN119228072AExpand the solution spaceshorten completion timeForecastingArtificial lifeCompletion timeJob shop scheduling
The invention relates to the technical field of flexible job shop scheduling in intelligent manufacturing, in particular to an optimization method for a flexible job shop scheduling problem considering adjustment time, and the method comprises the steps: initializing parameters of a collaborative variable neighborhood search algorithm; initializing a population; jittering operation is executed, and two new solutions are generated through the jittering operation; executing a variable neighborhood descent operation; updating the current algebra; judging whether a restart strategy is executed or not; and selecting a solution with shorter maximum completion time in the improved solutions generated by the collaborative variable neighborhood search algorithm as an initial solution of the constrained programming model, and further optimizing the quality of the solution through the constrained programming model. The invention provides an effective method for solving the problem of flexible job shop scheduling considering the adjustment time of sequence dependence, and makes substantial progress in reducing the maximum completion time of the shop.
Owner:YANCHENG FENGMANG TECHNOLOGY CO LTD

Multi-agent distributed task collaboration method and system

The invention discloses a multi-agent distributed task collaboration method and system, and relates to the technical field of computers, and the method comprises the steps: broadcasting a to-be-allocated task set to each agent, enabling the agents to estimate the task expected completion duration of each to-be-allocated task, and generating a corresponding to-be-allocated task expected duration matrix; receiving a to-be-allocated task expected duration matrix and a historical allocation task estimated duration from each agent; constructing a constraint optimization model according to the to-be-allocated task expected duration matrix corresponding to each agent and the historical allocation task estimated duration; and solving the constraint optimization model through a global constraint optimization algorithm, and allocating each task to be allocated to a corresponding agent according to an optimal solution. Therefore, the flexibility of task allocation is improved, and resource waste and unreasonable allocation in task allocation are reduced.
Owner:ANYI TECHNOLOGY (BEIJING) CO LTD

Flexible job shop scheduling method based on deep reinforcement learning

The invention discloses a flexible job shop scheduling method based on deep reinforcement learning, and belongs to the field of intelligent manufacturing and intelligent scheduling, and the method comprises the steps: firstly, taking the minimization of the maximum job completion time and the maximization of the average machine utilization rate as optimization targets, and obtaining a target model; then representing a flexible job shop scheduling problem by using a disjunction graph model to obtain a scheduling state; according to the scheduling state and the target model, an end-to-end learning framework is constructed, and the framework is combined with a multi-attention network for deep feature extraction and a decision network for extensible decision, and a Markov decision process is utilized to obtain a job scheduling model; and finally, the multiple attention network constructs a production adaptability operation-AGV-machine scheme by using the complex relationship among the operation, the AGV and the machine to support the decision of the decision network, and obtains a scheduling schedule by using the job scheduling model to complete flexible job shop scheduling. According to the method, complex modes and relations in data can be better captured, and the performance and generalization ability of the model are improved.
Owner:HENAN UNIV OF SCI & TECH

Clustering and entropy-guided reentrant hybrid flow shop scheduling method

The invention relates to a clustering and entropy-guided reentrant hybrid flow shop scheduling method. The method comprises the following steps: step 1, establishing a problem model; step 2, setting algorithm operation parameters; 3, adopting an initialization strategy to generate an exploration population and a development population; 4, judging whether a first-stage termination condition is met or not, if not, executing a first-stage evolutionary strategy and an updating strategy on the exploration population and the development population, and otherwise, executing the step 5; 5, constructing an elite population; 6, judging whether a second-stage termination condition is met or not, and if not, executing a second-stage evolutionary strategy on the elite population; otherwise, outputting a Pareto solution set; and 7, updating the elite population. According to the method, dynamic balance of global exploration and local development is realized, and the solution distribution can be improved while the solution set convergence is ensured, so that the completion time and the total energy consumption are reduced, the production cost is reduced, and the workshop scheduling efficiency is improved.
Owner:LIAOCHENG UNIV

Flexible job shop scheduling method based on preference driven graph reinforcement learning

The embodiment of the invention discloses a flexible job shop scheduling method based on preference-driven graph reinforcement learning, and relates to the field of shop dynamic scheduling in an intelligent manufacturing technology. According to the method, by constructing a multi-objective optimization model, multiple objectives of the job shop can be optimized at the same time, including the minimum completion time, the total delay and the total cost. Wherein an imperfect maintenance model is constructed, and the maintenance demand and the maintenance opportunity of each machine are dynamically determined. And capturing a complex relationship between the operation and the machine by using an improved graph neural network. In combination with a preference-driven mechanism, a maintenance plan and workshop scheduling are adjusted in real time through a graph reinforcement learning method, and efficient priority scheduling rules under different preferences are learned, so that an integrated decision of machine allocation, an operation sequence and maintenance arrangement in dynamic scheduling is realized.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Industrial control system security auditing method and system

The invention relates to the technical field of security auditing, in particular to a security auditing method and system for an industrial control system, and the method comprises the following steps: aiming at a key control task, a communication task and a security task of a real-time operating system, collecting a period, a starting timestamp, a finishing timestamp, a central processing unit occupied time slice and peak memory usage amount data. According to the method, the period, timestamp, central processing unit occupation and memory usage data of a key task of a real-time operating system are collected, a task execution time boundary and a resource consumption envelope are set, and then an expected relation rule set of a task time sequence and resource consumption is constructed by applying historical data statistics and logic rule deduction; and meanwhile, the key length of symmetric and asymmetric encryption, initialization vector generation, hash algorithm selection, key derivation parameters and encryption operation context are stipulated, so that a comprehensive and specific ICS behavior specification baseline is established.
Owner:CHONGQING HUATAI ACCOUNTING FIRM (GENERAL PARTNERSHIP)

Computer intelligent service management system and method based on network big data

The invention relates to the technical field of intelligent management, in particular to a computer intelligent service management system and method based on network big data, and the system comprises a service state monitoring module, an operation state modeling module, a service optimization module, an execution scheme adjustment module and a service task distribution module. According to the invention, through data dynamic analysis of the resource consumption proportion, the task processing duration and the completion time, reliable support is provided for task allocation, the resource occupation relationship between tasks is disclosed, the rationality and efficiency improvement of resource allocation are ensured, the task allocation deviation and resource allocation are optimized, and the resource use is dynamically balanced; the service execution efficiency and accuracy are improved, resource waste and task delay are reduced by analyzing task delay and resource utilization changes, identifying execution bottlenecks and adjusting structures, the execution sequence is dynamically optimized in combination with task completion time and a resource allocation proportion, and the system operation efficiency and response capability are improved. And meanwhile, resource utilization, task scheduling and service quality are optimized.
Owner:LIMING VOCATIONAL UNIV

AGV transportation method and robot

The invention belongs to the technical field of AGVs, and provides an AGV transportation method and a robot, and the method comprises the steps: obtaining a task list and the initial position of each AGV; the task execution sequence is optimized through tabu search so as to minimize the time consumption of final task completion, the average completion time and the weighted cost of the number of pauses; according to the optimization sequence, constructing a space-time diagram of node representation time and space positions for each AGV; planning the path of each AGV on the space-time diagram by adopting a time enhancement algorithm, regarding the paths of other AGVs as time obstacles, and adopting a path cost function; in the path planning process, the AGVs are allowed to wait in situ to avoid collision, and the paths of the AGVs are updated in real time; performing Bezier curve smoothing on the planned discrete path for three times to generate a continuous and controllable driving track; and finally, each AGV is controlled to execute the task along the track. According to the invention, the problems of low task scheduling efficiency and frequent path conflicts of a plurality of AGVs in the prior art can be solved.
Owner:SHENZHEN ZHENGSHAN ELECTRONICS CO LTD

Job-shop scheduling method and system based on principal component heterogeneous graph neural network

The invention relates to the technical field of intelligent workshop scheduling, and provides a job shop scheduling method and system based on a principal component heterogeneous graph neural network, and the method comprises the following steps: determining a constraint condition of a distributed flexible workshop, taking the minimization of the maximum completion time as a control target, and building a problem model according to the constraint condition; obtaining a current state of workshop operation, performing embedding based on a graph attention network to obtain an embedded representation of the state, and extracting an embedded representation of a key state based on principal component analysis after fusion; the obtained embedded representation of the current key state serves as input, the problem model is solved through a strategy network, and probability distribution, distributed to a specific machine tool, of each working procedure serves as an initial solution; and based on the obtained initial solution, performing iterative optimization by adopting an enhanced local search heuristic algorithm to obtain an optimal solution. According to the method, the high efficiency and accuracy of the final solution can be ensured, the defects of a traditional GNN-based method in a subsequent optimization mechanism are overcome, and the method is suitable for the scheduling problem of various types of distributed flexible workshops and has high expansibility and adaptability.
Owner:YUNNAN NORMAL UNIV

Equipment scheduling method and system based on dynamic priority and multi-objective optimization

The invention discloses an equipment scheduling method and system based on dynamic priority and multi-objective optimization, and the method takes the minimization of a waiting time mean square error, the minimization of total waiting time and the minimization of maximum completion time as optimization objectives. A task dependency relationship, an equipment maintenance time window, a time window constraint, a student learning progress priority and a delay compensation mechanism constraint condition are comprehensively considered, a dynamic priority calculation mechanism is introduced, the priority is dynamically adjusted in real time according to task waiting time, deadline and urgency, and a high-quality initial population is generated through CMA-ES; a non-dominated sorting framework optimized by NSGA-II is combined, crossover variation of a traditional genetic algorithm is replaced by PSO updating, and an optimal solution is searched by using an elitism mechanism. The method can effectively improve the utilization rate of equipment resources, reduce the task completion time and optimize the fairness of task allocation, is suitable for equipment sharing and dynamic scheduling scenes, and has high practicability and popularization value.
Owner:CHINA JILIANG UNIV